One of the best cameraphones out there reveals the secret of its smile shutter in the video below. If you’re mistaking this handset for a Samsung 12 MP phone, know that it’s not, because the manufacturer denied the existence of such a device and also because this is a Sony Ericsson C905:

You can’t fool the smile shutter if your lips imitate a smile… it must rely on the reflection of teeth or something, so the mechanism is quite complex. C905 packs an 8 megapixel camera with autofocus, face detection, smart contrast, video recording (QVGA 30 fps) and Xenon flash.